ANNOTATIONS AND ADDITIONS. 313 



lunar distances, and occupations, give a satisfactory accord- 

 ance, and all the elements of the calculation are placed 

 before the public. The too easterly longitude of Quito was 

 transferred by La Condamine to Cuenca and the Amazons 

 river. " Je fis," says La Condamine, ' ' mon premier essai 

 de navigation sur un radeau (balsa) en descendant la riviere 

 de Chinchipe jusqu'a Tomependa. II fallut nle contenter 

 d'en determiner la latitude et de conclure la longitude par 

 les routes. J'y fis mon testament politique en redigeant 

 Textrait de mes observations le plus importantes." (Journal 

 du Voyage fait a TEquateur, 1751, p. 186.) 



( ll ) p. 282. " At upwards of twelve 'thousand feet 

 above the sea we found fossil marine shells." 



See my Essai geognostique sur le Gisement des Roches, 

 1823, p. 236; and for the first zoological determination 

 of the fossils contained in the cretaceous group in the 

 chain of the Andes, see Leop. de Buch, Petrifications re- 

 cueillies en Amerique, par Alex, de Humboldt et Charles 

 Degenhardt, 1839 (in fol.), pp. 2-3, 5, 7, 9, 11, and 18-22. 

 Pentland found fossil shells of the Silurian formation in 

 Bolivia, on the Nevado de Antakiiua, at the height of 

 164000 French (17480 English) feet, (Mary Somerville, 

 Physical Geography, 1849, Yol. i. p. 185). 



( 12 ) p. 287. " Where the chain of the Andes is inter- 

 sected by the magnetic equator" 



Compare my Relation hist, du Voyage aux Regions 

 equinoxiales, T. iii. p. 622 ; and Kosmos, Bd. i. S. 191 



